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Enter a value, an expression, or a term with a variable like 10^n+1 to list a range. Switch to Database id to look a number up by its stored id. Reading never stores anything; use Create to add a number to the database. See the expression syntax & functions reference.

P · Proven prime
id #1100000009051742283 1,148 digits created 2026-08-07

Value

82561026930890379270059853490733958714548579588978051219406961298943358900954019344993189319163285235355596806827685849179761299561745527058579527245494153642463534801054680680968213282971556319717986727602255711896633523003349618952042405884412133281427851884471939341285651220866920385632981905877946632161534222760005149541653989923243552079103886507718434923215409742053804270533823956491490326912776247819748617386317898658333493394914942984800952816268910955998767047669383678846174864177113065800178599127045180302130187936581691755695175871252044998843221087922961091150180963944736329290402678990984434989846385329891192627174055043028091998106272216134846814489577037506071928287420496263082026516914385818005004957871962572790250780439057275361864298753213477616850876313802202867675713085134017197442400827657486023307350624556726696614107524644553221273870518985929917122337425652470660457419865363887140191597586931902539564633505918108366823025392426414127532493556497574101073003575865743561506180302042444967240413499797772049808818202449567347641654506649758875740443381522617564606825612164484504596272577009834113769807512756083
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 35 of the certificate chain of a 1,567-digit prime (118 intermediate primes).

Certified number1,567-digit prime
Certificatedownload
Certificate chainshow step 35 of 118

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009051742283 --detail 2 --decimal
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"id":1100000009051742283},"decimal":true,"detail":2}}'